Recharge Metals Limited (ASX: REC) has encountered significant widths of sulphides in the first two holes of its diamond drilling activities at the Brandy Hill South Project located within the Archaean Gullewa Greenstone Belt in Western Australia.
Two diamond drillholes have now been completed for a total of 792m, including 606m of diamond core. A third drillhole in underway.
The first hole, BHRCD019 intersected visual sulphides from 92m to end of hole at 393m. The second diamond tail, BHRCD018, intersected similar lithologies and styles of sulphide mineralisation between 96.9m, to 399m down hole.
“After intersecting over 300 metres of significant copper mineralisation in Recharge’s maiden diamond tail, we are thrilled to repeat a very similar finding in this second diamond tail,” Managing Director, Brett Wallace, said.
“This was drilled 100 metres north-northwest from the first and displays very similar rock types and across a near identical interval. As with the first diamond tail, it also ended in mineralisation at close to 400m depth.
“We planned this diamond tail programme in part to evaluate the continuity and nature of the primary mineralisation and the apparent supergene mineralisation. So, it has been very encouraging to observe abundant copper sulphide mineralisation from 97m to end of hole at over 399 metres both times. It is worth noting that both holes were located close to the Salt Creek Shear.
“We look forward to completing the third and final diamond tail and to start reporting assays as they are returned from the lab.”
Diamond Drilling Update
During Recharge’s maiden Reverse Circulation (RC) programme, three precollars (BHRC018, BHRC019 and BHRC023) were completed to be extended with diamond tails. The drillholes were designed to provide valuable structural and lithological information; anticipated to assist in understanding the nature of the primary mineralisation as well as the apparent supergene mineralisation identified within the oxide/transition zones of the weathered profile
. Preliminary observations from BHRCD018 drillcore identified ultramafic / andesite / gabbro rocks with massive sulphides, brecciated zones of blebby sulphide and associated sulphide veins and veinlets; and disseminated sulphides, including chalcopyrite (copper sulphide) mineralisation. BHRCD018 was drilled to a depth of 399m.
Drilling intersected intense hydrothermal alteration, including carbonate, chlorite, quartz, silica, serpentinite and talc throughout the lithological sequence. Copper minerals, such as chalcopyrite, were observed throughout the drillhole.
A geological summary of the drillhole can be found in Table 1. This information is based solely on visual inspection of the core. The core from BHRCD018 is yet to be assayed and analysed. The presence of copper is supported by in-field readings taken using a portable x-ray fluorescence instrument (pXRF).
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